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CC491K Bronze vs. C55280 Copper

Both CC491K bronze and C55280 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 260
180

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 980
790
Melting Onset (Solidus), °C 900
640
Specific Heat Capacity, J/kg-K 370
410
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 3.1
4.2
Embodied Energy, MJ/kg 51
67

Common Calculations

Stiffness to Weight: Axial, points 6.7
6.9
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1
5.9
Strength to Weight: Bending, points 10
8.3
Thermal Shock Resistance, points 9.3
7.4

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
90.5 to 91.4
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 4.0 to 6.0
0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
6.8 to 7.2
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0
Residuals, % 0
0 to 0.15